/**
  ******************************************************************************
  * File Name          : SPI.c
  * Description        : This file provides code for the configuration
  *                      of the SPI instances.
  ******************************************************************************
  ** This notice applies to any and all portions of this file
  * that are not between comment pairs USER CODE BEGIN and
  * USER CODE END. Other portions of this file, whether
  * inserted by the user or by software development tools
  * are owned by their respective copyright owners.
  *
  * COPYRIGHT(c) 2018 STMicroelectronics
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
  *   1. Redistributions of source code must retain the above copyright notice,
  *      this list of conditions and the following disclaimer.
  *   2. Redistributions in binary form must reproduce the above copyright notice,
  *      this list of conditions and the following disclaimer in the documentation
  *      and/or other materials provided with the distribution.
  *   3. Neither the name of STMicroelectronics nor the names of its contributors
  *      may be used to endorse or promote products derived from this software
  *      without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "spi.h"

#include "gpio.h"
#include "dma.h"

/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

SPI_HandleTypeDef hspi1;
SPI_HandleTypeDef hspi2;
SPI_HandleTypeDef hspi3;
DMA_HandleTypeDef hdma_spi1_tx;
DMA_HandleTypeDef hdma_spi2_tx;
DMA_HandleTypeDef hdma_spi3_tx;


/* SPI2 init function */
void MX_SPI1_Init(void)
{

    hspi1.Instance = SPI1;
    hspi1.Init.Mode = SPI_MODE_MASTER;
    hspi1.Init.Direction = SPI_DIRECTION_2LINES;
    hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
    hspi1.Init.CLKPolarity = SPI_POLARITY_HIGH;
    hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
    hspi1.Init.NSS = SPI_NSS_SOFT;
    hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_32;
    hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
    hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
    hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
    hspi1.Init.CRCPolynomial = 10;
    if (HAL_SPI_Init(&hspi1) != HAL_OK)
    {
        _Error_Handler(__FILE__, __LINE__);
    }

}

/* SPI2 init function */
void MX_SPI2_Init(void)
{

    hspi2.Instance = SPI2;
    hspi2.Init.Mode = SPI_MODE_MASTER;
    hspi2.Init.Direction = SPI_DIRECTION_2LINES;
    hspi2.Init.DataSize = SPI_DATASIZE_8BIT;
    hspi2.Init.CLKPolarity = SPI_POLARITY_HIGH;
    hspi2.Init.CLKPhase = SPI_PHASE_2EDGE;
    hspi2.Init.NSS = SPI_NSS_SOFT;
    hspi2.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
    hspi2.Init.FirstBit = SPI_FIRSTBIT_MSB;
    hspi2.Init.TIMode = SPI_TIMODE_DISABLE;
    hspi2.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
    hspi2.Init.CRCPolynomial = 7;
    if (HAL_SPI_Init(&hspi2) != HAL_OK)
    {
        _Error_Handler(__FILE__, __LINE__);
    }

}

/* SPI3 init function */
void MX_SPI3_Init(void)
{

    hspi3.Instance = SPI3;
    hspi3.Init.Mode = SPI_MODE_MASTER;
    hspi3.Init.Direction = SPI_DIRECTION_2LINES;
    hspi3.Init.DataSize = SPI_DATASIZE_8BIT;
    hspi3.Init.CLKPolarity = SPI_POLARITY_HIGH;
    hspi3.Init.CLKPhase = SPI_PHASE_2EDGE;
    hspi3.Init.NSS = SPI_NSS_SOFT;
    hspi3.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
    hspi3.Init.FirstBit = SPI_FIRSTBIT_MSB;
    hspi3.Init.TIMode = SPI_TIMODE_DISABLE;
    hspi3.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
    hspi3.Init.CRCPolynomial = 7;
    if (HAL_SPI_Init(&hspi3) != HAL_OK)
    {
        _Error_Handler(__FILE__, __LINE__);
    }

}

void HAL_SPI_MspInit(SPI_HandleTypeDef *spiHandle)
{

    GPIO_InitTypeDef GPIO_InitStruct;
    if(spiHandle->Instance == SPI1)
    {
        /* USER CODE BEGIN SPI1_MspInit 0 */

        /* USER CODE END SPI1_MspInit 0 */
        /* SPI1 clock enable */
        __HAL_RCC_SPI1_CLK_ENABLE();

        /**SPI1 GPIO Configuration
        PA5     ------> SPI1_SCK
        PA6     ------> SPI1_MISO
        PA7     ------> SPI1_MOSI
        */
        GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7;
        GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
        GPIO_InitStruct.Pull = GPIO_NOPULL;
        GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
        GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
        HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

//        /* SPI1_TX Init */
//        hdma_spi1_tx.Instance = DMA2_Stream3;
//        hdma_spi1_tx.Init.Channel = DMA_CHANNEL_3;
//        hdma_spi1_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
//        hdma_spi1_tx.Init.PeriphInc = DMA_PINC_DISABLE;
//        hdma_spi1_tx.Init.MemInc = DMA_MINC_ENABLE;
//        hdma_spi1_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
//        hdma_spi1_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
//        hdma_spi1_tx.Init.Mode = DMA_NORMAL;
//        hdma_spi1_tx.Init.Priority = DMA_PRIORITY_LOW;
//        hdma_spi1_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
//        if (HAL_DMA_Init(&hdma_spi1_tx) != HAL_OK)
//        {
//            _Error_Handler(__FILE__, __LINE__);
//        }
//
//        __HAL_LINKDMA(spiHandle, hdmatx, hdma_spi1_tx);
//
//        /* SPI1 interrupt Init */
//        HAL_NVIC_SetPriority(SPI1_IRQn, 9, 0);
//        HAL_NVIC_EnableIRQ(SPI1_IRQn);

        /* USER CODE BEGIN SPI1_MspInit 1 */

        /* USER CODE END SPI1_MspInit 1 */
    }
    else if(spiHandle->Instance == SPI2)
    {
        /* USER CODE BEGIN SPI2_MspInit 0 */

        /* USER CODE END SPI2_MspInit 0 */
        /* SPI2 clock enable */
        __HAL_RCC_SPI2_CLK_ENABLE();

        /**SPI2 GPIO Configuration
        PB13     ------> SPI2_SCK
        PB15     ------> SPI2_MOSI
        */
        GPIO_InitStruct.Pin = GPIO_PIN_13 | GPIO_PIN_15;
        GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
        GPIO_InitStruct.Pull = GPIO_PULLUP;
        GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
        GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
        HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

        /* SPI2 DMA Init */
        /* SPI2_TX Init */
        hdma_spi2_tx.Instance = DMA1_Stream4;
        hdma_spi2_tx.Init.Channel = DMA_CHANNEL_0;
        hdma_spi2_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
        hdma_spi2_tx.Init.PeriphInc = DMA_PINC_DISABLE;
        hdma_spi2_tx.Init.MemInc = DMA_MINC_ENABLE;
        hdma_spi2_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
        hdma_spi2_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
        hdma_spi2_tx.Init.Mode = DMA_NORMAL;
        hdma_spi2_tx.Init.Priority = DMA_PRIORITY_LOW;
        hdma_spi2_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
        if (HAL_DMA_Init(&hdma_spi2_tx) != HAL_OK)
        {
            _Error_Handler(__FILE__, __LINE__);
        }

        __HAL_LINKDMA(spiHandle, hdmatx, hdma_spi2_tx);

        /* SPI2 interrupt Init */
        HAL_NVIC_SetPriority(SPI2_IRQn, 7, 0);
        HAL_NVIC_EnableIRQ(SPI2_IRQn);

        /* USER CODE BEGIN SPI2_MspInit 1 */

        /* USER CODE END SPI2_MspInit 1 */
    }
    else if(spiHandle->Instance == SPI3)
    {
        /* USER CODE BEGIN SPI3_MspInit 0 */

        /* USER CODE END SPI3_MspInit 0 */
        /* SPI3 clock enable */
        __HAL_RCC_SPI3_CLK_ENABLE();

        /**SPI1 GPIO Configuration
        PB3     ------> SPI3_SCK
        PB5     ------> SPI3_MOSI
        */
        GPIO_InitStruct.Pin = GPIO_PIN_3 | GPIO_PIN_5;
        GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
        GPIO_InitStruct.Pull = GPIO_PULLUP;
        GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
        GPIO_InitStruct.Alternate = GPIO_AF6_SPI3;
        HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

        /* SPI1 DMA Init */
        /* SPI1_TX Init */
        hdma_spi3_tx.Instance = DMA1_Stream7;
        hdma_spi3_tx.Init.Channel = DMA_CHANNEL_0;
        hdma_spi3_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
        hdma_spi3_tx.Init.PeriphInc = DMA_PINC_DISABLE;
        hdma_spi3_tx.Init.MemInc = DMA_MINC_ENABLE;
        hdma_spi3_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
        hdma_spi3_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
        hdma_spi3_tx.Init.Mode = DMA_NORMAL;
        hdma_spi3_tx.Init.Priority = DMA_PRIORITY_LOW;
        hdma_spi3_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
        if (HAL_DMA_Init(&hdma_spi3_tx) != HAL_OK)
        {
            _Error_Handler(__FILE__, __LINE__);
        }

        __HAL_LINKDMA(spiHandle, hdmatx, hdma_spi3_tx);

        /* SPI1 interrupt Init */
        HAL_NVIC_SetPriority(SPI3_IRQn, 13, 0);
        HAL_NVIC_EnableIRQ(SPI3_IRQn);

        /* USER CODE BEGIN SPI1_MspInit 1 */

        /* USER CODE END SPI1_MspInit 1 */
    }
}

void HAL_SPI_MspDeInit(SPI_HandleTypeDef *spiHandle)
{

    if(spiHandle->Instance==SPI1)
    {
        /* USER CODE BEGIN SPI1_MspDeInit 0 */

        /* USER CODE END SPI1_MspDeInit 0 */
        /* Peripheral clock disable */
        __HAL_RCC_SPI1_CLK_DISABLE();

        /**SPI1 GPIO Configuration
        PB3     ------> SPI1_SCK
        PB5     ------> SPI1_MOSI
        */
        HAL_GPIO_DeInit(GPIOA, GPIO_PIN_5 | GPIO_PIN_6 | GPIO_PIN_7);

        /* SPI1 DMA DeInit */
        //HAL_DMA_DeInit(spiHandle->hdmatx);

        /* SPI1 interrupt Deinit */
        //HAL_NVIC_DisableIRQ(SPI1_IRQn);
        /* USER CODE BEGIN SPI1_MspDeInit 1 */

    /* USER CODE END SPI1_MspDeInit 1 */
    }
    else if(spiHandle->Instance == SPI2)
    {
        /* USER CODE BEGIN SPI2_MspDeInit 0 */

        /* USER CODE END SPI2_MspDeInit 0 */
        /* Peripheral clock disable */
        __HAL_RCC_SPI2_CLK_DISABLE();

        /**SPI2 GPIO Configuration
        PB13     ------> SPI2_SCK
        PB15     ------> SPI2_MOSI
        */
        HAL_GPIO_DeInit(GPIOB, GPIO_PIN_13 | GPIO_PIN_15);

        /* SPI2 DMA DeInit */
        HAL_DMA_DeInit(spiHandle->hdmatx);

        /* SPI2 interrupt Deinit */
        HAL_NVIC_DisableIRQ(SPI2_IRQn);
        /* USER CODE BEGIN SPI2_MspDeInit 1 */

        /* USER CODE END SPI2_MspDeInit 1 */
    }
    else if(spiHandle->Instance == SPI3)
    {
        /* USER CODE BEGIN SPI3_MspDeInit 0 */

        /* USER CODE END SPI3_MspDeInit 0 */
        /* Peripheral clock disable */
        __HAL_RCC_SPI3_CLK_DISABLE();

        /**SPI3 GPIO Configuration
        PB3     ------> SPI3_SCK
        PB5     ------> SPI3_MOSI
        */
        HAL_GPIO_DeInit(GPIOB, GPIO_PIN_3 | GPIO_PIN_5);

        /* SPI3 DMA DeInit */
        HAL_DMA_DeInit(spiHandle->hdmatx);

        /* SPI3 interrupt Deinit */
        HAL_NVIC_DisableIRQ(SPI3_IRQn);
        /* USER CODE BEGIN SPI3_MspDeInit 1 */

        /* USER CODE END SPI3_MspDeInit 1 */
    }

}

/* USER CODE BEGIN 1 */
/*!
 * @brief Sends outData and receives inData
 *
 * @param [IN] outData Byte to be sent
 * @retval inData      Received byte.
 */
uint16_t HW_SPI_InOut( uint16_t txData )
{
  uint16_t rxData ;

  HAL_SPI_TransmitReceive( &hspi1, ( uint8_t * ) &txData, ( uint8_t* ) &rxData, 1, HAL_MAX_DELAY);	

  return rxData;
}
/* USER CODE END 1 */

/**
  * @}
  */

/**
  * @}
  */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
